a. Smoking and Dropout Rate
b. Smoking and Adult Prevalence
c. Smoking and Social Strain
d. Smoking and Unemployment
e. Smoking and Cigarette Prices
f. Smoking and Price Promotions
g. Smoking and Traditional Advertising
h. Smoking and Nonprice Promotions
i. Smoking and Ad Campaigns
j. Smoking and Marijuana Initiation
k. Smoking and Marijuana Use